import java.util.Scanner;

public class Main {

   /* public static void main1(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }*/

    /*class Data {
        public int x;
        public int y;

        public Data(int x, int y) {
            this.x = x;
            this.y = y;
        }

        public int getX() {
            return x;
        }

        public int getY() {
            return y;
        }


        public class A {

        }

        public class B extends A {

        }

        public class C extends B {

        }

        public static void main2(String[] args) {
            A a0 = new A();
            A a1 = new B();
            A a2 = new C();
        }*/

       /* class Base{
            public Base(String s){
                System.out.print("B");
            }
        }

        public class Derived extends Base{
            public Derived (String s) {
                System.out.print("D");
            }
            public static void main(String[] args){
                new Derived("C");
            }*/
/*}*/

           public static void main(String[] args) {
               Scanner scanner = new Scanner(System.in);
               while (scanner.hasNextInt()) {
                   int x = scanner.nextInt();
                   int y = scanner.nextInt();
                   int z = scanner.nextInt();
                   Sub sub = new Sub(x, y, z);
                   System.out.println(sub.calculate());
               }
           }

       }

class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public int getY() {
        return y;
    }

}

class Sub extends Base {

    private int z;

    public Sub(int x, int y, int z) {
        super(x,y);
        this.z=z;
        //write your code here
    }

    public int getZ() {
        return z;
    }

    public int calculate() {
        return super.getX() * super.getY() * this.getZ();
    }

}
